William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7140325 | Pour-on application method and devices The present invention relates to a device for applying a liquid pesticidal formulation to an external surface of a domestic animal, the device comprising an inlet and a plurality of spaced apart outlets, wherein the device is adapted such that when the middle of the... | 11/28/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6955110 | Apparatus and method for cutting soft materials, especially meat An apparatus and method for cutting soft materials such as meat. Two or more spirally mounted helical blades are situated between two supports, and the supports are mounted to a shank. The shank is rotated to impart rotary action to the spiral shear blades, and the ... | 10/18/2005 |
| 5862968 | Separator for linerless labels Linerless labels are cut or burst from a web by passing the web through infeed and outfeed pairs of rolls with a separator device located therebetween. Each roll pair includes a friction surface for engaging the slick smooth surface of the web and another... | 01/26/1999 |
| 5853117 | Separator for linerless labels Linerless labels are cut or burst from a web by passing the web through infeed and outfeed pairs of rolls with a separator device located therebetween. Each roll pair includes a friction surface for engaging the slick smooth surface of the web and another... | 12/29/1998 |
| 5385073 | Apparatus for perforating corrugated tubing at high speeds Apparatus for perforating corrugated tubing of large diameter is achieved by use of multiple cutters disposed within the threading on the feeder-cutter wheels. The apparatus receives tubing to be perforated along an axial path coincident with the axis of ... | 01/31/1995 |
| 4833959 | Apparatus and method for making bread crumbs A method and apparatus for producing homogeneous bread crumbs including a conveyor for conveying bread loaves that securely holds the bread loaves while they are sliced by a rotary involute knife slicer into slices of substantially uniform thickness, a di... | 05/30/1989 |
| 4640168 | Apparatus for cutting cigarettes An apparatus for cutting a continuous bar of cigarettes into individual cigarettes includes a cutter head supported rotatably on a first rotary shaft, a knife projecting from the cutter head, and a device provided in the cutter head for holding and advanc... | 02/03/1987 |
| 4587874 | Rotary punch A pipe perforating apparatus has a spindle carrying a cutting tool and a drive for rotating the spindle about its own axis while revolving the spindle about the pipe. The cutter periodically engages and perforates the pipe. To provide for small, uniform s... | 05/13/1986 |
| 4472990 | Cutting device for continuous rods of smoking products A device for cutting continuous rods of smoking products, in which a rotary cutting head is provided with a radial blade inclined with respect to the axis of rotation of the head, the blade being sharpened, upon each rotation of the head, by a frusto-coni... | 09/25/1984 |
| 3969966 | Apparatus for slicing meat products An apparatus for slicing a meat product in which the cutting edge of a rotating involute slicing blade is advanced in synchronism with the feed of the meat product during the cutting of a slice from the meat product. There is also means for either mountin... | 07/20/1976 |
| 3948128 | Feed and severing apparatus A new and improved apparatus and method for feeding fastener attachments and stock having a plurality of spaced apart cross links coupled to side members, and severing the side members between adjacent cross members to form fastener attachment devices, i.... | 04/06/1976 |